Android OnClick事件与listview项一起重复
我的应用程序中有一个列表视图。每个listview行在点击时展开,隐藏视图变为可见,但问题是隐藏视图对于列表中的许多其他项目也变为可见。我知道这种行为的原因,但我不知道如何解决它。这是我的适配器类Android OnClick事件与listview项一起重复,android,listview,baseadapter,android-viewholder,Android,Listview,Baseadapter,Android Viewholder,我的应用程序中有一个列表视图。每个listview行在点击时展开,隐藏视图变为可见,但问题是隐藏视图对于列表中的许多其他项目也变为可见。我知道这种行为的原因,但我不知道如何解决它。这是我的适配器类 public class ScheduleTaskAdapter extends BaseAdapter { Context context; LayoutInflater layoutInflater; // List<InterestAndLanguageBean&
public class ScheduleTaskAdapter extends BaseAdapter {
Context context;
LayoutInflater layoutInflater;
// List<InterestAndLanguageBean> interestAndLanguageBeans=new ArrayList<>();
List<BirdsDataBean> imageList = new ArrayList<>();
public ScheduleTaskAdapter(Context context, List<BirdsDataBean> imagesList) {
this.context = context;
this.imageList = imagesList;
layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return imageList.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
holder = new ViewHolder();
convertView = layoutInflater.inflate(R.layout.birds_row, parent, false);
holder.iv_birds = (ImageView) convertView.findViewById(R.id.iv_bird);
holder.frameLayout = (FrameLayout) convertView.findViewById(R.id.frame_birds);
holder.linearLayout = (LinearLayout) convertView.findViewById(R.id.detail_view);
holder.imageView = (ImageView) convertView.findViewById(R.id.up);
holder.iv_video = (ImageView) convertView.findViewById(R.id.iv_video);
holder.iv_sound = (ImageView) convertView.findViewById(R.id.iv_sound);
holder.tv_short_descript = (TextView) convertView.findViewById(R.id.tv_short_descript);
holder.tv_category = (TextView) convertView.findViewById(R.id.tv_category);
holder.tv_long_description = (TextView) convertView.findViewById(R.id.tv_long_description);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
Uri myUri = Uri.parse(birdsUrlList.get(position).getUrl());
Glide.with(getActivity()).load(myUri).placeholder(R.drawable.birds).into(holder.iv_birds);
holder.tv_short_descript.setText(birdsUrlList.get(position).getDescrip());
holder.tv_long_description.setText(birdsUrlList.get(position).getDescrip_larga());
holder.tv_category.setText(birdsUrlList.get(position).getNombre_cientifico());
final ViewHolder finalHolder = holder;
holder.frameLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finalHolder.linearLayout.setVisibility(View.VISIBLE);
finalHolder.iv_sound.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
MediaPlayer mp = new MediaPlayer();
mp.setDataSource(birdsUrlList.get(position).getUrl_audio());
mp.prepare();
mp.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
mp.start();
}
});
mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
mp.release();
}
});
//startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(birdsUrlList.get(position).getUrl_video())));
} catch (Exception e) {
e.printStackTrace();
}
}
});
finalHolder.iv_video.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
hitBirdSeenService(birdsUrlList.get(position).getIdave());
finalHolder.iv_video.setImageResource(R.drawable.eye_selected);
}
});
}
});
holder.imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finalHolder.linearLayout.setVisibility(View.GONE);
}
});
if (birdsUrlList.get(position).getFlag()==1)
{
holder.iv_video.setImageResource(R.drawable.eye_selected);
}else {
holder.iv_video.setImageResource(R.drawable.eye110);
}
//Picasso.with(context).load(myUri).placeholder(R.drawable.image).into(holder.pic);
//malevich.load(helperTaskBeanList.get(position).getImage()).into(holder.pic);
return convertView;
}
}
公共类ScheduleTaskAdapter扩展了BaseAdapter{
语境;
LayoutInflater LayoutInflater;
//List interestAndLanguageBeans=new ArrayList();
List imageList=新建ArrayList();
公共ScheduleTaskAdapter(上下文上下文,列表imagesList){
this.context=上下文;
this.imageList=imagesList;
layoutInflater=(layoutInflater)context.getSystemService(context.LAYOUT\u INFLATER\u SERVICE);
}
@凌驾
public int getCount(){
返回imageList.size();
}
@凌驾
公共对象getItem(int位置){
返回null;
}
@凌驾
公共长getItemId(int位置){
返回0;
}
@凌驾
公共视图getView(最终整数位置、视图转换视图、视图组父视图){
ViewHolder=null;
if(convertView==null){
holder=新的ViewHolder();
convertView=LayoutFlater.充气(R.layout.birds_行,父项,false);
holder.iv_bird=(ImageView)convertView.findViewById(R.id.iv_bird);
holder.frameLayout=(frameLayout)convertView.findViewById(R.id.frame\u);
holder.linearLayout=(linearLayout)convertView.findViewById(R.id.detail_视图);
holder.imageView=(imageView)convertView.findViewById(R.id.up);
holder.iv_video=(ImageView)convertView.findViewById(R.id.iv_video);
holder.iv_-sound=(ImageView)convertView.findViewById(R.id.iv_-sound);
holder.tv\u short\u descript=(TextView)convertView.findViewById(R.id.tv\u short\u descript);
holder.tv_category=(TextView)convertView.findViewById(R.id.tv_category);
holder.tv_long_description=(TextView)convertView.findViewById(R.id.tv_long_description);
convertView.setTag(支架);
}否则{
holder=(ViewHolder)convertView.getTag();
}
Uri myUri=Uri.parse(birdsurlist.get(position.getUrl());
Glide.with(getActivity()).load(myUri).placeholder(R.drawable.birds).into(holder.iv_birds);
holder.tv_short_descript.setText(birdsurlist.get(position.getdescripp());
holder.tv_long_description.setText(birdsurlist.get(position.getdescripp_larga());
holder.tv_category.setText(birdsurlist.get(position.getNombre_cientifico());
最终视图持有者finalHolder=持有者;
holder.frameLayout.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
finalHolder.linearLayout.setVisibility(View.VISIBLE);
finalHolder.iv_sound.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
试一试{
MediaPlayer mp=新的MediaPlayer();
mp.setDataSource(birdsUrlList.get(position.getUrl_audio());
mp.prepare();
mp.setOnPreparedListener(新的MediaPlayer.OnPreparedListener(){
@凌驾
已准备好公开作废(MediaPlayer mp){
mp.start();
}
});
mp.setOnCompletionListener(新的MediaPlayer.OnCompletionListener(){
@凌驾
完成时的公共作废(MediaPlayer mp){
mp.release();
}
});
//startActivity(新的Intent(Intent.ACTION_视图,Uri.parse(birdsrullist.get(position.getUrl_video()));
}捕获(例外e){
e、 printStackTrace();
}
}
});
finalHolder.iv_video.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
hitBirdSeenService(birdUrlList.get(position.getIdave());
finalHolder.iv_video.setImageResource(R.drawable.eye_选定);
}
});
}
});
holder.imageView.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
finalHolder.linearLayout.setVisibility(View.GONE);
}
});
if(birdsUrlList.get(position).getFlag()==1)
{
holder.iv_video.setImageResource(R.drawable.eye_选择);
}否则{
支架.iv_视频.setImageResource(R.drawable.eye110);
}
//毕加索.with(context).load(myUri).placeholder(R.drawable.image).into(holder.pic);
//将(helperTaskBeanList.get(position.getImage())加载到(holder.pic)中;
返回视图;
}
}
ListView项是可重用的。当您滚动列表时,某些项目变为“不可见”,视图项目将被重新用于将变为可见的项目
您不保留展开项和未展开项的数据,因此无法根据getView方法中“展开”零件先前的“展开”状态将其可见性设置为“已展开”或“可见”。简单的解决方法是在展开put(position,true)
和隐藏put(position,false)
时,制作一个Map
并将状态保持在这里。在getView中
boolean state = expandedStateMap.get(position);
finalHolder.linearLayout.setVisibility((state) ? View.VISIBLE : View.GONE);
步骤零(为扩展状态添加映射)
第二步:
holder.imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
expandedStateMap.put(position,false);
finalHolder.linearLayout.setVisibility(View.GONE);
}
});
你为什么不去
//determine if we already expanded the item
Boolean state = expandedStateMap.get(position);
if (state == null) {
state = false;
}
finalHolder.linearLayout.setVisibility((state) ? View.VISIBLE : View.GONE);
holder.frameLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//save expanded state
expandedStateMap.put(position,true);
finalHolder.linearLayout.setVisibility(View.VISIBLE);
holder.imageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
expandedStateMap.put(position,false);
finalHolder.linearLayout.setVisibility(View.GONE);
}
});